The 2007 Pontiac Grand Prix is offered in three primary trim levels: base, GT and GXP. All are five-passenger, four-door, front-wheel-drive sedans. Base models have a normally aspirated 3.8-liter V6; the GT comes with a supercharged 3.8-liter V6; and the GXP is powered by a 5.3-liter V8. All use a four-speed automatic transmission.The base model's V6 develops 200 horsepower at 5200 rpm and 230 pound-feet of torque at 4000. In California and the Northeast, this engine meets SULEV (Super Low Emissions Vehicle) standards. The standard Grand Prix ($21,745) is well equipped, with air conditioning, cruise control, AM/FM/CD stereo, full front floor console, driver information center, two 12-volt accessory outlets, OnStar, 60/40 split folding rear seats, Pass-Key III security, fog lamps, P225/60 touring tires on 16-inch alloy wheels, a tire inflation monitor, and all the usual power conveniences. ABS ($600) is optional and comes with electronic brake-force distribution (EBD) and advanced traction control. It can also be had in a $945 Security Package that also includes curtain side airbags. An available $965 Preferred Package includes a fold-flat front passenger seat, remote engine starting, a trip computer, a cargo net, and several interior upgrades. The GT's ($24,665) supercharged V6 boosts output to 260 horsepower at 5400 rpm and 280 pount-feet of torque at 3600 rpm. All GT models add ABS with brake-based traction control, electronic (rather than hydraulic) power steering, remote engine starting, the Preferred Package's upgraded interior appointments, 17-inch tires, and a sport suspension. Pontiac offers a $1995 Special Edition Package for base and GT models that includes body cladding, grille inserts, stainless steel exhaust tips, and P225/55HR17 touring tires on aluminum wheels. The curtain side airbags are available separately for the GT at a cost of $395. The performance-oriented GXP boasts a 5.3-liter transverse-mounted V8 that makes 303 horsepower at 5600 rpm and 323 pound-feet or torque at 4400 rpm. The V8 has GM's Active Fuel Management that deactivates four cylinders under light loads to improve fuel economy. It's automatic transmission comes with TAPshift (Touch Activated Power) that provides a pair of steering-wheel-mounted paddles for manual shift capability. GXP models also get bigger brakes, an antiskid system, leather and suede upholstery, dual-zone climate controls, heated front seats, an upgraded Monsoon sound system, a head-up instrument display, 255/45WR18 front and 225/50WR18 rear Bridgestone Potenza tires, and polished alloy wheels. The suspension is even sportier, with higher spring rates, a nine-millimeter lower ride height, and a larger rear stabilizer bar. Options for base and GT models include a Premium Package with leather upholstery, heated front seats, dual-zone automatic climate control, and a fold-flat front passenger seat ($940 base, $1015 GT); XM Satellite Radio ($199); a Custom Accessories Package with a unique rear spoiler, front grille inserts, and stainless steel exhaust tips ($675); and polished alloy wheels ($495). All models are offered with a Sun and Sound Package that includes a power sunroof and a Monsoon audio system with in-dash six-disc CD changer ($1090 base and GT with Premium Package, $1195 GXP). A navigation system paired with the upgraded Monsoon sound system costs $2540 for base and GT models $2145 for GXP. Curtain airbags ($395) are available on all models.
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